Across Obsidian Flames, Paldean Fates, 151, and others besides, it's starting to get a little overwhelming
As JustATypicalPerson pointed out, since you are looking for a card to get Metal Energy from the discard pile specifically, Metagross is the Pokemon to go for
Im not the first one to look into this aspect of the game
Seasoned Pyromancer This is best used as the last card in your hand to net two cards and a body that can make tokens from the graveyard
However, other NM sales as low as $357 give hope to bargain hunters
While Drawbread offers some useful versatility based on the drawn card's Attribute, there are other cards like Pot of Desires or Pot of Extravagance that could provide more consistent card draw without potential drawbacks, making them better choices for competitive play